#sulfur granules
- Actinomycosis — A chronic, non-contagious structural bacterial infectious disease caused by anaerobic or microaerophilic bacteria of the genus Actinomyces (most commonly Actinomyces israelii), which normally colonize human mucous membranes. The condition manifests through the development of hard inflammatory granulomas and pseudotumoral suppurative abscesses that drain via fistulous tracts a characteristic pus containing yellow granules ('sulfur granules'), most frequently localizing cervicofacially (mouth and neck), thoracically, or abdominally following local trauma.